查询词典 ammonium oxalate

In concentrated solution of cobalt salt precipitation system, the effects of reagents of ammonia carbonate and ammonium oxalate was studied respectively.

溶液中NH4+的加入，在高 pH值条件下，存在钻氨的络合反应和钻的沉淀反应，草酸钻仍保持针状形貌：在低pH值条件下，随着NH4十加入量的增多，草酸钻形貌变得粗短，长径比、粒度减小；最后呈方形，松装比重增加。

Objective: To investigate the effect of ammonium oxalate on epilepsy of rats induced by penicillin.

目的：研究草酸铵对青霉素致大鼠癫痫模型的影响。

Ultrasound chemical precipitation method was used to synthesize the precursor powderswith the ammonium oxalate and nickel nitrate hexahydrate as the raw materials.

然后，以Ni(NO_3)_2·6H_2O和(NH_4)_2C_2O_4·H_2O为原料，采用超声化学沉淀法制备出氧化镍前驱体，XRD图谱表明前驱体为NiC_2O_4·2H_2O，FTIR谱图分析进一步验证得到的前驱体是NiC_2O_4·2H_2O。

Process of Pd plating from system of potassium citrate and ammonium oxalate is investigated.

研究在柠檬酸钾和草酸铵镀液体系中镀钯工艺。

Protein, fat, ammonium oxalate are all main pharmacological composition.

白僵蚕中的蛋白质、脂肪酸、草酸铵等都是重要的药理活性成分。

The effect of amount of ammonium oxalate addition on the crystallizing performance of the samples of Sr2CaWO6 and Sr2CaMoO6 was investigated.

考察半湿法合成Sr2CaMO6和Sr2CaMoO6前驱体时草酸铵加入量对样品性能的影响。

Urine was collected for 24 hours exactly after the intravenous dose of 〓. Urinary calcium was precipitated by using ammonium oxalate.

收集给药后24小时内的全部尿液，并用草酸铵沉淀法提纯尿液中的钙。

Study is made of a new process for directly extraction of the cobalt oxalate from ammonium oxalate in the acid solution directly dissolved from lithium cobaltate.

研究了从钴酸锂直接溶解后的酸溶液中用草酸铵直接提取草酸钴的新工艺，采用氟盐将酸溶液中的铝完全全络合，然后用草酸铵在pH为2，温度60℃下沉钴，再在马弗炉中煅烧成氧化钴，所得产品可达到Co2O3？

Methods: The animals were divided into four groups randomly, including sham operation group, model control group, small dose (30 mg/kg, iv.) and large dose of ammonium oxalate (60 mg/kg, iv.) group. After the operation, ammonium oxalate was administrated and the electroencephalogram (frequency, scope and duration of the epileptic discharge) were recorded, and the survival neurons at the areas of hippocampus CA1 and CA3 was counted.

32只大鼠随机均分为4组：假手术组、模型对照组、小剂量草酸铵实验组(30 mg/kg)和大剂量草酸铵实验组(60 mg/kg)，各组均记录脑电（痫样波频率、幅度及总持续时间），HE切片计数海马CA1、CA3区残存正常神经元。

In this ***,nano-particles of NiCuZn ferrites powders were prepared with nickel nitrate,zinc sulfate,copper sulfate and ferrous sulfate as starting materials and ammonium oxalate as the precipitator by employing co-precipitation technique using oxalate precursors.Excellent composition uniformity NiCuZn ferrite powder can be obtained after drying and calcination.Toroidal samples were obtained after being formed and sintered.

本文以硫酸镍、硫酸铜、硫酸锌、硫酸亚铁和草酸铵为原料，应用化学共沉淀法制得分布均匀的先驱粉，经烘干、煅烧制成成分均匀性极佳的NiCuZn铁氧体粉末，再经成形和烧结等工艺，最后制得环形NiCuZn铁氧体材料。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。